The Soviet embassy in England sends two couriers with diplomatic mail to Leningrad. The inspector of security police, White, and a group of policemen attack the Soviet diplomatic couriers at night. The documents get to an English trackman, who gives them to his son, a sailor in Portsmouth.

The bourgeois wedding of Dekabryukhova is interrupted by the machine-gun fire of revolution. He flees abroad, leaving his wife. Oktyabryukhov stays and adapts to the new life. At the end of the picture there is an attempt at universal reconciliation and the poet's tormenting theme "three-way love". Dekabryuhov returns to his homeland. His wife is already married to Oktyabryukhov. Having learned about it, Dekabryukhov tries to leave, but the newlyweds force him to stay.